Type Alias src_callback_t 

pub type src_callback_t = Option<unsafe extern "C" fn(cb_data: *mut c_void, data: *mut *mut f32) -> c_long>;

Aliased Type

pub enum src_callback_t {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut *mut f32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut *mut f32) -> i32)

Some value of type T.